3 years ago

Which are solutions of the equation (x + 5)(x – 3) = 0? Check all that apply. x = –15

Mathematics

2 answers:

Natali [406]3 years ago

4 0

Answer:

x= -5 and x= 3

Step-by-step explanation:

You have the factored equation, all you need is to switch the signs on the numbers and that is the answer.

Likurg_2 [28]3 years ago

3 0

Answer:

x = -5 and x = 3

Step-by-step explanation:

It's a quadratic so it has two answers

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A recursive arithmetic sequence is defined ad f(1)=6, f(n+1)=f(n)+5 for n>1. The first four terms of the sequence are shown i

Dennis_Churaev [7]

Write the first few terms of the sequence.
f₁ = 6
f₂ = f₁ + 5 = 11
f₃ = f₂ + 5 = 16
f₄ = f₃ + 5 = 21
and so on

The sequence is
6, 11, 16, 21, ...,
This is an arithmetic sequence with a common difference of 5.

In function notation, the sequence is
$f_{n+1} = 6 + 5n, \\ \, n=0,1,2, \, ...,$

This represents the equation of a straight line with n as the independent variable and f as the dependent variable.
The slope is 5.
A graph of the line is shown below.

Answer:
The sequence is $f_{n+1} = 6 + 5n, \,\, n=0,1,2, \, ...,$
The slope is 5.